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Is There Sodium in Bananas? Flame Test Demonstration Kit

By: The Flinn Staff

Item #: AP7334 

Price: $35.30

In Stock.

The Is There Sodium In Bananas? Flame Test Chemistry Demonstration Kit is a safe flame test for viewing excited-state emission colors of three different metal ions. Metal properties, emission spectra, and more are represented in one kit.

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This item can only be shipped to schools, museums and science centers

Product Details

Bananas are a good source of potassium—but do they also contain sodium? This flame test demonstration provides a safe, unique method for observing flame test colors of metal ions—no flammable solvents required! Demonstrate the characteristic colors produced by three different metal ions and then let students identify which ions are present in bananas. By the way, the answer to the question is yes—in more ways than one! Includes Teacher Demonstration Notes, reproducible student worksheets and enough materials to perform both parts of the demonstration seven times.

Concepts: Properties of metals, atomic structure, emission spectra, nutrients in food.
Time Required: 20 minutes
Note: Borosilicate glass Petri dishes are required and available separately.


Materials Included in Kit: 
Acetic acid vinegar, 500 mL
Calcium carbonate, 25 g
Potassium carbonate, 30 g
Sodium carbonate, 30 g
Banana chips, 1 lb
Dishes, weighing, 1.5 g, 3½" x 3½" x 1", 3 

Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Constructing explanations and designing solutions
Analyzing and interpreting data

Disciplinary Core Ideas

MS-PS1.A: Structure and Properties of Matter
HS-PS1.A: Structure and Properties of Matter

Crosscutting Concepts

Energy and matter
Structure and function